CN113274004A - High reliability analyte detection device - Google Patents
High reliability analyte detection device Download PDFInfo
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- CN113274004A CN113274004A CN202010682141.1A CN202010682141A CN113274004A CN 113274004 A CN113274004 A CN 113274004A CN 202010682141 A CN202010682141 A CN 202010682141A CN 113274004 A CN113274004 A CN 113274004A
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Abstract
The invention discloses a high-reliability analyte detection device, which comprises: a bottom case; the sensor is assembled on the bottom shell and comprises a signal output end and a detection end, the signal output end is provided with at least two first electric connection areas which are mutually insulated, and the signal output end is bent or bent towards the bottom surface of the bottom shell; the emitter is mutually clamped with the bottom shell, the emitter is provided with at least two second electric connection areas which correspond to the first electric connection areas and are mutually insulated, and the first electric connection areas are electrically connected with the corresponding second electric connection areas; and an elastic member with which the signal output terminal is in contact. The design improves the reliability of the internal electric connection of the detection device, avoids data loss and enhances the user experience.
Description
Technical Field
The invention mainly relates to the field of medical instruments, in particular to a high-reliability analyte detection device.
Background
The pancreas in a normal human body can automatically monitor the glucose content in the blood of the human body and secrete the required insulin/glucagon automatically. The function of pancreas of diabetics is abnormal, and insulin required by human bodies cannot be normally secreted. Therefore, diabetes is a metabolic disease caused by abnormal pancreatic functions of a human body, and is a lifelong disease. At present, the medical technology can not cure the diabetes radically, and only can control the occurrence and the development of the diabetes and the complications thereof by stabilizing the blood sugar.
Diabetics need to test their blood glucose before injecting insulin into their body. At present, most detection methods can continuously detect blood sugar and transmit blood sugar data to remote equipment in real time, so that a user can conveniently check the blood sugar data. The method needs the detection device to be attached to the surface of the skin, and the probe carried by the detection device is penetrated into subcutaneous tissue fluid to finish detection.
However, the internal structure of the existing detection device is complex and not compact, the whole size of the detection device is large, the stretching activity, the movement or the clothes wearing action of a user are influenced, and the experience of the user is seriously weakened. And such detection device is easy to be touched to interrupt detection, and the electric connection performance is not good, so that detection data is lost, and potential safety hazards are brought to users.
Therefore, there is a need in the art for a highly reliable analyte detection device with good electrical connection performance.
Disclosure of Invention
The embodiment of the invention discloses a high-reliability analyte detection device, wherein a signal output end is bent or bent towards the bottom surface of a bottom shell, and the signal output end is in contact with the same elastic piece, so that the reliability of internal electric connection of the detection device is improved, the number of structures in the device is reduced, data loss is avoided, and user experience is enhanced.
The invention discloses a high-reliability analyte detection device, which comprises: a bottom case; the sensor is assembled on the bottom shell and comprises a signal output end and a detection end, the signal output end is provided with at least two first electric connection areas which are mutually insulated, and the signal output end is bent or bent towards the bottom surface of the bottom shell; the emitter is mutually clamped with the bottom shell, the emitter is provided with at least two second electric connection areas which correspond to the first electric connection areas and are mutually insulated, and the first electric connection areas are electrically connected with the corresponding second electric connection areas; and an elastic member with which the signal output terminal is in contact.
According to one aspect of the invention, the second electrical connection region is a metal contact.
According to one aspect of the invention, the signal output terminal is disposed on top of the elastic member, and the first electrical connection region is electrically connected directly to the corresponding second electrical connection region.
According to one aspect of the present invention, the elastic member includes at least two conductive regions and at least one insulating region, the insulating region is disposed between two adjacent conductive regions, at least two first electrical connection regions are electrically connected to corresponding second electrical connection regions through different conductive regions, respectively, and different first electrical connection regions or different second electrical connection regions are electrically connected to different conductive regions, respectively.
According to an aspect of the present invention, the conductive region and the insulating region pass through the elastic member in the longitudinal direction, respectively.
According to an aspect of the present invention, the signal output terminal is embedded inside the elastic member or disposed at the bottom of the elastic member.
According to one aspect of the invention, the different first electrical connection regions are disposed on different portions of the signal output terminal, the different portions of the signal output terminal being independent of each other and non-interfering with each other.
According to one aspect of the present invention, the signal output terminals are embedded inside the elastic member, and heights of embedding positions of the signal output terminals of different portions in the elastic member are not identical.
According to one aspect of the invention, the signal output terminal of each portion is embedded inside the elastic member, or is disposed at the bottom of the elastic member, or is disposed at the top of the elastic member.
According to one aspect of the invention, the number of the first and second electrical connection regions is three, respectively.
According to an aspect of the present invention, the bottom case includes a sensor base, and the signal output terminal and the elastic member are disposed on the sensor base, the signal output terminal being bent or bent toward a top surface of the sensor base.
Compared with the prior art, the technical scheme of the invention has the following advantages:
in the high-reliability analyte detection device disclosed by the invention, the sensor is assembled on the bottom shell and comprises a signal output end and a detection end, wherein the signal output end is bent or bent towards the bottom surface of the bottom shell, and the signal output end is contacted with the elastic piece. When the first electric connection area is electrically connected with the second point connection area, the same elastic piece plays a role in conducting, bearing or buffering according to the position of the first electric connection area, so that the reliability of electric connection is improved, data loss is avoided, and the number of structures in the device is reduced.
Furthermore, the elastic element comprises at least two conductive areas and at least one insulating area, the insulating area is arranged between every two adjacent conductive areas, at least two first electric connection areas are respectively and electrically connected with corresponding second electric connection areas through different conductive areas, and different first electric connection areas or different second electric connection areas are respectively and indirectly and electrically connected with different conductive areas. One elastic piece plays electrically conductive and insulating effect simultaneously, has not only reduced the quantity of detection device inner structure, and the elastic piece plays the effect of buffering again simultaneously.
Furthermore, different first electric connection regions are arranged on different parts of the signal output end, and the different parts of the signal output end are mutually independent and do not interfere with each other. In the actual manufacturing process, the thickness of the respective first electrical connection regions may vary. When the emitter is connected with the sensor, the first electric connection areas which are independent and do not interfere with each other can weaken or eliminate the influence of poor contact caused by the thickness difference, and the reliability of the electric connection among the elastic element, the first electric connection area and the second electric connection area is improved.
Drawings
Fig. 1 is a schematic perspective view of a bottom case according to an embodiment of the present invention;
FIG. 2 is a schematic view of the assembly of a sensor with a bottom case according to one embodiment of the present invention;
FIG. 3 is a schematic perspective view of a transmitter according to an embodiment of the present invention;
FIGS. 4 a-4 b are schematic views of the structure of an elastic member, a first electrical connection region and a second electrical connection region according to an embodiment of the present invention, FIG. 4a is a top view, and FIG. 4b is a side view of the structure of FIG. 4 a;
FIG. 4c is a schematic top view of an elastic member and a first electrical connection region according to another embodiment of the present invention;
FIGS. 4 d-4 e are schematic top views of elastic members, first electrical connection regions and second electrical connection regions according to various embodiments of the present invention;
FIG. 5 is a schematic structural view of an elastic member, a first electrical connection region and a second electrical connection region according to another embodiment of the present invention;
FIGS. 6 a-6 b are schematic views illustrating the electrical connection positions of the second electrical connection region and the elastic member according to various embodiments of the present invention;
FIGS. 7 a-7 b are schematic views illustrating a structure in which an elastic member is electrically connected to first and second electrical connection regions, respectively, according to still another embodiment of the present invention, and FIG. 7b is a sectional view taken along a section line A-A' of FIG. 7 a;
FIGS. 8 a-8B are schematic views illustrating a structure in which an elastic member is electrically connected to first and second electrical connection regions, respectively, according to still another embodiment of the present invention, and FIG. 8B is a sectional view taken along a section line B-B' of FIG. 8 a;
fig. 9a is a schematic perspective view of a second electrical connection region according to yet another embodiment of the present invention;
FIG. 9b is a schematic perspective view of the elastic member and the signal output terminal, which are engaged with the second electrical connection region in FIG. 9 a;
FIG. 10 is a schematic view of a signal output terminal disposed on the top of an elastic member according to another embodiment of the present invention;
fig. 11 is a schematic structural diagram illustrating signal output terminals of different parts disposed at different positions of an elastic member according to another embodiment of the present invention.
Detailed Description
As mentioned above, the body fluid parameter detection device in the prior art is easy to lose detection data, has poor user experience, and brings inconvenience to the life of a patient.
Research shows that the problems are caused by the fact that a plurality of conductive parts need to be arranged between a transmitter and a sensor of the conventional detection device, and an additional insulating part is arranged to separate the adjacent conductive parts, so that the detection device is relatively complex in internal structure, not compact enough in structure and poor in electric connection performance.
In order to solve the problem, the invention provides the high-reliability analyte detection device, the signal output end is bent or bent towards the bottom surface of the bottom shell, and the signal output end is in contact with the same elastic piece, so that the reliability of electric connection of the detection device is improved, data loss is avoided, and user experience is enhanced.
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments should not be construed as limiting the scope of the present invention unless it is specifically stated otherwise.
Further, it should be understood that the dimensions of the various elements shown in the figures are not necessarily drawn to scale, for example, the thickness, width, length or distance of some elements may be exaggerated relative to other structures for ease of illustration.
The following description of the exemplary embodiment(s) is merely illustrative and is not intended to limit the invention, its application, or uses in any way. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail herein, but are intended to be part of the specification as applicable.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, further discussion thereof will not be required in the subsequent figure description.
Fig. 1 is a schematic perspective view of a bottom case 10 according to an embodiment of the invention.
The bottom case 10 is used to assemble the sensor 113 and the transmitter 12. In the embodiment of the present invention, the bottom surface of the bottom case 10 is provided with a fitting hole 101 for assisting in mounting the sensor 113, and the first engaging structure 102 is provided around the fitting hole 101 to assist in mounting the sensor 113 on the bottom case 10. The side wall of the bottom case 10 is also provided with a catching portion (not shown) for fixing the emitter 12.
In other embodiments of the present invention, the bottom case 10 may have other shapes as long as the conditions for mounting the transmitter 12 and the sensor 113 on the bottom case 10 can be satisfied, and there is no particular limitation.
Fig. 2 is a schematic view illustrating an assembly of the sensor 113 and the bottom case 10 according to the embodiment of the invention.
The manner in which the sensor 113 is mounted on the bottom case 10 is various and is not particularly limited herein. Specifically, in the embodiment of the present invention, the bottom case 10 includes a sensor base 111. The sensor 113 is mounted to the bottom case 10 through the sensor base 111. The sensor base 111 is provided with a second engaging structure 112 at the periphery, and the second engaging structure 112 is engaged with the first engaging structure 102 to mount the sensor base 111 in the mounting hole 101, so as to mount the sensor 113 on the bottom case 10.
In another embodiment of the present invention, after the sensor 113 is mounted on the bottom case 10, the auxiliary mounting structure of the sensor 113 is removed, and the sensor 113 is not carried by the sensor base 111 or other components but is separately mounted on the bottom case 10.
In other embodiments of the present invention, the sensor 113 may be assembled to the bottom case 10 in other assembling manners, which are not limited in particular.
It should be noted that, in the embodiment of the present invention, the sensor base 111 is further provided with a sealing ring 130 and a groove 131 for placing the sealing ring 130.
With continued reference to fig. 2, the sensor 113 includes a signal output terminal 113a and a detection terminal 113 b. The signal output 113a is electrically connected to the second electrical connection region 122 of the transmitter 12 to transmit the detection signal to the transmitter 12. The sensing end 113b is configured to penetrate subcutaneous tissue of a human body to sense analyte parameter information of the bodily fluid.
The signal output terminal 113a is provided with first electrical connection regions 116 insulated from each other. Conventionally, the sensor 113 is also provided with electrodes and/or electrode leads (not shown here and in the following) for detecting analyte parameter information. The detection signal of the electrode needs to be derived through the first electrical connection region 116.
It should be noted that the embodiment of the present invention does not limit the arrangement manner of the first electrical connection region 116 on the signal output terminal 113 a. Such as first electrical connection region 116, may be disposed on a surface of signal output 113a or embedded in signal output 113 a.
Generally, at least two detection electrodes are disposed on the sensor 113, that is, at least a working electrode and a counter electrode are included. Therefore, in the implementation of the present invention, at least two first electrical connection regions 116 are disposed on the surface of the signal output terminal 113a to electrically connect different electrodes. Specifically, in the embodiment of the present invention, the sensor 113 is a three-electrode system. Thus, the number of first electrical connection regions 116 is three.
As shown in fig. 2, in the embodiment of the present invention, the signal output terminal 113a is bent or bent toward the bottom surface of the bottom case 10. The signal output terminal 113a is attached to the surface of the sensor base 111 or embedded in the sensor base 111. Such a design reduces the height of the sensor 113 protruding from the bottom case 10, and reduces the thickness dimension of the detection device.
In other embodiments of the present invention, the sensor 113 may have other shapes or forms (e.g., not bent), and is not limited herein.
Fig. 3 is a schematic perspective view of the transmitter 12 according to the embodiment of the present invention.
The emitter 12 is provided with second electrical connection regions 122 insulated from each other. The second electrical connection region 122 is adapted to electrically connect to the first electrical connection region 116, and thereby receive electrical signals from the sensor 113. Thus, the second electrical connection region 122 corresponds to the first electrical connection region 116.
Here, the term "correspond" means that the two numbers are equal and the positions of the two numbers substantially correspond to each other. It is evident that in the present embodiment the number of second electrical connection regions 122 is three in order to accommodate the three-electrode system of the sensor 113.
In the embodiment of the present invention, the second electrical connection region 122 is exposed and protrudes from the emitter casing 121. Specifically, in the embodiment of the present invention, the second electrical connection region 122 is a metal contact. The metal contact with small volume enables the internal structure of the detection device to be more compact, and the volume of the detection device is further reduced.
It should be noted that the shape and position of the second electrical connection region 122 are not limited by the embodiments of the present invention. As in one embodiment of the present invention, the second electrical connection region 122 does not protrude from the surface of the emitter housing 121, but is flush with the surface of the emitter housing 121. In another embodiment of the invention, the second electrical connection region 122 is located inside the emitter housing 121, as will be described in more detail below. As in yet another embodiment of the invention, the second electrical connection region is rectangular or circular in cross-section. In yet another embodiment of the invention, the conductive portion of the second electrical connection region is disposed on a surface of the connector, or the second electrical connection region 122 itself is the connector. The plug-in unit can be inserted into the same elastic unit, as will be described in more detail below.
Fig. 4a is a schematic top view of an elastic element, a first electrical connection region, and a second electrical connection region according to an embodiment of the invention. Fig. 4b is a side view of the elastic member of fig. 4 a. Fig. 4c is a schematic top view of an elastic member and a first electrical connection region according to another embodiment of the present invention. Fig. 4 d-4 e are schematic top views of elastic members, first electrical connection regions, and second electrical connection regions according to various embodiments of the present invention.
It is first noted that the thin dashed lines in fig. 4a indicate the outline of the first electrical connection region covered by the elastic member, and the thick dashed lines indicate the outline of the signal output terminal covered by the elastic member. The thin dotted line and the thick dotted line in the subsequent figures have the same meaning as those in the figures, and are not described in detail below.
The detecting device of the embodiment of the present invention includes an elastic member 114. The elastic member 114 is in contact with the signal output terminal 113 a. Providing only one spring 114 reduces the number of internal structures of the detection device. In addition, the elastic material deforms after being extruded, and further the locking effect is achieved. Therefore, the elastic members 114 can be connected to each other more closely as a conductive structure or as an auxiliary structure of the electrical connection position, thereby improving the reliability of the electrical connection.
In one embodiment of the present invention, the signal output terminal 113a is disposed at the bottom of the elastic member 114, and the first electrical connection region 116 is indirectly electrically connected to the corresponding second electrical connection region 122. Here, the bottom of the elastic member 114 refers to a portion of the elastic member 114 near the skin.
At this time, the elastic member 114 includes at least two conductive regions 114a and at least one insulating region 114 b. The conductive region 114a and the insulating region 114b function as electrical conduction and electrical insulation, respectively. The conductive region 114a and the insulating region 114b cannot be separated from each other, i.e., the conductive region 114a and the insulating region 114b are respectively an integral part of the elastic member 114.
An insulating region 114b is disposed between adjacent conductive regions 114 a. Different first electrical connection regions 116 or different second electrical connection regions 122 are electrically connected to different electrically conductive regions 114a, respectively, thereby electrically insulating any two first electrical connection regions 116 or any two second electrical connection regions 122 from each other.
Inside the elastic member 114, the conductive region 114a and the insulating region 114b pass through the elastic member 114 in the longitudinal direction, as shown in fig. 4 b. Here, the longitudinal direction refers to a direction pointing from the first electrical connection region 116 to the corresponding second electrical connection region 122, or to a direction of current flow between the first electrical connection region 116 and the second electrical connection region 122. This arrangement ensures that the spring member 114 is only longitudinally conductive and not laterally conductive when the first electrical connection region 116 is electrically connected to the second electrical connection region 122. The elastic member 114 electrically connects the first electrical connection regions 116 to the corresponding second electrical connection regions 122 while electrically insulating between different first electrical connection regions 116 or between different second electrical connection regions 122. One elastic member 114 plays a role of electrical conduction and electrical insulation at the same time, the complexity of the internal structure of the detection device is reduced, the internal structure is more compact, and the electrical connection reliability of the detection device is improved.
It should be noted that in other embodiments of the present invention, the conductive region 114a or the insulating region 114b may also have a certain inclination, or be arranged in other directions or manners inside the elastic member 114, and is not particularly limited herein as long as the above-mentioned conditions of electrical conduction and electrical insulation can be satisfied.
Referring to fig. 2, fig. 4a and fig. 4b, in particular, in the embodiment of the present invention, the elastic member 114 has a rectangular parallelepiped structure. The conductive regions 114a and the insulating regions 114b are disposed at intervals and penetrate the elastic members 114, respectively. In another embodiment of the present invention, the different conductive regions 114a are arranged in the same insulating region 114b, i.e. surrounded by the same insulating region 114b, as shown in fig. 4 d. In yet another embodiment of the present invention, the top view of the elastic member 114 may be circular ring shape, as shown in fig. 4 e. In yet another embodiment of the present invention, the top view of the elastic member 114 may also be circular.
In other embodiments of the present invention, the elastic member 114 may have other shapes, and is not particularly limited as long as the conditions for achieving the above-mentioned functions of the elastic member 114 are satisfied.
With continued reference to fig. 4a and 4b, after the elastic element 114 is electrically connected to the first and second electrical connection regions 116 and 122, respectively, an insulation region 114b is disposed between any two first electrical connection regions 116 connected to the elastic element 114. Specifically, in the embodiment of the present invention, the insulating region 114b spaced between any two of the first electrical connection regions 116 includes a portion of one insulating region 114b (e.g., between 116a and 116b in fig. 4a and 4 b), one insulating region 114b, or more than one insulating region 114b (e.g., between 116c and 116b in fig. 4a and 4 b). Likewise, the insulating region 114b spaced between any two second electrical connection regions 122 connected to the elastic member 114 includes a portion of one insulating region 114b, or more than one insulating region 114 b. It will be apparent that the first electrical connection region and the corresponding second electrical connection region (e.g., between 116a and 122a, between 116b and 122b, or between 116c and 122 c) share a portion of conductive region 114a to provide electrical continuity between the two. The conductive region of the common portion may comprise a portion of one conductive region 114a (e.g., between 116c and 122c in fig. 4a and 4 b), or one conductive region 114a, or more than one conductive region 114 a.
As will be readily understood by those skilled in the art in conjunction with fig. 4a and 4b, a portion of one of the above-described insulating or conductive regions, one of the insulating or conductive regions, and more than one of the insulating or conductive regions are only the span of the first or second electrical connection region in one dimension (e.g., the direction in which the conductive regions are arranged).
While in other embodiments of the present invention a portion of one insulating or conductive region, and more than one insulating or conductive region may also represent the coverage of the insulating or conductive region in two dimensions (in area) by a first or second electrical connection region, as shown in fig. 4 c. Taking the first electrical connection region as an example, the dashed line in fig. 4c represents a partial outline of the first electrical connection region. It is apparent that the first electrical connection region 116 can cover a portion of one insulating or conductive region, or more than one insulating or conductive region.
Obviously, when the number of the conductive regions or the insulating regions between the structures is large or the range is wide, the reliability of the electrical connection or the electrical insulation between the structures is remarkably improved.
In the present embodiment, the material of the elastic member 114 includes elastic plastic, elastic rubber, and the like. The use of the spring 114 allows for better electrical contact while providing cushioning. When the material of the elastic member 114 is elastic rubber, the elastic member 114 is a conductive rubber strip. One conductive adhesive tape has the functions of conduction and insulation and also has the function of buffering.
It is clear that when the sensor 113 is a two-electrode system, the number of first and second electrical connection areas is 2 each. In this case, the elastic member 114 may include two conductive regions 114a and an insulating region 114b disposed between the two conductive regions 114 a. I.e. two different pairs of first and second electrical connection regions, are electrically connected by different conductive regions 114a, respectively, to achieve electrical conduction. At the same time, the two first electrical connection regions or the two second electrical connection regions are separated by an insulating region to achieve electrical insulation.
Sensors of other embodiments of the invention may also include more electrodes. Therefore, the elastic member 114 includes more conductive regions and insulating regions spaced apart from each other, and the electrical connection is more flexible, as shown in fig. 5.
It should be noted that in other embodiments of the present invention, the sensor includes at least 3 electrodes, i.e. the signal output terminal 113a is provided with at least 3 first electrical connection areas, wherein at least two first electrical connection areas are electrically connected to the corresponding second electrical connection areas through different conductive areas 114a, and the connection method and principle are the same as the above. The embodiments of the present invention do not limit the connection manner or connection principle of the other first and second electrical connection regions that are not connected to the elastic member 114. As in one embodiment of the invention, the sensor is a 3-electrode system, in which only the working and counter electrodes are electrically connected to the second electrical connection region by the respective first electrical connection regions via the resilient member, while the reference electrode is otherwise electrically connected to the transmitter.
Fig. 6 a-6 b are schematic structural views illustrating electrical connection positions of the second electrical connection region 122 and the elastic member 114 according to various embodiments of the present invention.
For ease of labeling and description, the second electrical connection region 122 and the elastic member 114 in fig. 6a and 6b will be separately illustrated.
As shown in fig. 6a, in an embodiment of the present invention, the second electrical connection region 122 is a convex spherical cap type metal contact. Correspondingly, the elastic member 114 is provided with a recess (not shown) at a position where it is connected with the protruding metal contact, so that the connection is tighter. Meanwhile, the connection between the convex part and the concave part also plays a role in fixing the position of the elastic element 114, that is, no matter what external force is applied to the detection device, the position of the elastic element 114 is always fixed and does not displace, thereby ensuring that the elastic element 114 performs normal conducting and insulating work.
It should be noted that the elastic member 114 may not be designed with a recess. When the metal contact is pressed by the protrusion, the elastic member 114 will automatically form a concave portion matching with the metal contact, so as to ensure the function of electrical connection or electrical insulation.
In another embodiment of the invention, as shown in fig. 6b, a second electrical connection region 122 is provided inside the emitter 12. At this time, the elastic member 114 is correspondingly provided with a protrusion (not shown) which can enter the inside of the radiator 12 and be electrically connected with the corresponding second electrical connection region 122.
Fig. 7 a-7 b are schematic structural diagrams illustrating the elastic member 214 electrically connected to the first and second electrical connection regions, respectively, according to another embodiment of the present invention. Fig. 7a is a top view. FIG. 7b is a cross-sectional view taken along section line A-A' in FIG. 7 a.
The 3 second electrical connection regions 222a, 222b, 222c of the present embodiment are indirectly electrically connected to the 3 first electrical connection regions 216a, 216b, 216c, respectively. The conductive region 214a and the insulating region 214b of the elastic element 214 are arranged as described above.
Specifically, referring to fig. 7b, in the embodiment of the present invention, the signal output terminal 213a is embedded inside the elastic member 214. Thus, 3 first electrical connection regions 216a, 216b, 216c are each embedded within the spring 214. To fix the position of the sensor, the signal output terminal 213a and the detection terminal 231b are carried by the sensor base 211.
The principles and methods of electrically connecting the elastic member 214 to the first and second electrical connection regions, respectively, are consistent with the above description.
Fig. 8 a-8 b are schematic views illustrating the structure of an elastic member electrically connected to a first electrical connection region and a second electrical connection region, respectively, according to still another embodiment of the present invention. Fig. 8a is a top view. FIG. 8B is a cross-sectional view taken along section line B-B' in FIG. 8 a.
In the embodiment of the present invention, different first electrical connection regions are disposed on different portions of the signal output end 313a, and the different portions of the signal output end 313a are independent from each other and do not interfere with each other. In particular, 3 first electrical connection regions are each embedded in the conductive region 314a and/or the insulating region 314b of the spring. As shown in fig. 8b, in the embodiment of the present invention, the heights of the 3 first electrical connection regions at the embedding positions in the elastic member are not completely equal.
In the actual manufacturing process, the thickness of the respective first electrical connection regions may vary. When the emitter is connected with the sensor, the first electric connection areas which are independent and do not interfere with each other can weaken or eliminate the influence of poor contact caused by the thickness difference, and the reliability of the electric connection of the emitter and the sensor is improved.
Obviously, in other embodiments of the present invention, only two of the 3 first electrical connection regions may be embedded in the elastic member, and the other first electrical connection region is disposed at the bottom of the elastic member, or the 3 first electrical connection regions are embedded at equal heights in the elastic member, which is not particularly limited herein.
Fig. 9a is a schematic perspective view of a second electrical connection region 422 according to yet another embodiment of the present invention. Fig. 9b is a schematic perspective view of the elastic member and the signal output end 413a cooperating with the second electrical connection region 422 in fig. 9 a.
The 3 second electrical connection areas 422a, 422b, 422c are plug-in connectors and protrude from the transmitter housing 412. The type of plug is as described above. The spring is provided with 3 receptacles 401 for mating with 3 second electrical connection areas. The 3 second electrical connection regions can be inserted into the corresponding insertion holes 401, respectively.
In the embodiment of the present invention, the length direction of the insertion hole 401 is perpendicular to the arrangement direction of the conductive region 414a or the insulating region 414 b. In other embodiments of the present invention, the two directions can be designed arbitrarily according to requirements. As in one embodiment of the present invention, the length direction of the insertion hole is parallel to the arrangement direction of the conductive areas. Please refer to the above description for the principle and method of electrical connection.
Fig. 10 is a schematic structural diagram of a signal output terminal disposed on the top of the elastic member 514 according to still another embodiment of the present invention.
In yet another embodiment of the present invention, the signal output terminal is disposed on the top of the elastic member 514, i.e., the signal output terminal is disposed between the elastic member 514 and the second electrical connection region 522. At this time, the second electrical connection region 522 is directly electrically connected to the corresponding first electrical connection region 516. Accordingly, the elastic member 514 may be a general elastic member or the above-described elastic member provided with the conductive area. Preferably, the second electrical connection region 522 is a protruding metal contact. Since the elastic member 514 is under the first electrical connection region 516, the reliability of electrical connection between the second electrical connection region 522 and the first electrical connection region 516 is high. Likewise, the shape of the resilient member 514 may be selected in accordance with the above description and will not be described in detail herein.
As mentioned above, the different parts of the signal output terminal may be independent of each other and do not interfere with each other. Preferably, in a further embodiment of the invention, three first electrical connection regions 516 are provided in different parts of the signal output terminal, respectively. Therefore, three different parts of the signal output end are respectively arranged at different positions of the elastic piece. If first electrical connection region 516b is disposed on the top of the spring, first electrical connection region 516a is embedded within spring 514, and first electrical connection region 516c is disposed on the bottom of the spring, as shown in fig. 11. When there are more first electrical connection regions 516 independent of each other, the positions where the different first electrical connection regions are disposed may be arbitrarily selected as desired.
In the existing detection device, a plurality of separated conductive parts and/or a plurality of separated insulating parts are arranged between the emitter and the sensor, and one part only plays a role, so that the complexity of the internal structure of the detection device is increased. Meanwhile, the reliability of the electric connection between the emitter and the sensor is poor, and the problems of signal interruption and data loss are easy to occur.
In summary, the present invention discloses a highly reliable analyte detection device, in which the signal output end is bent or bent toward the bottom surface of the bottom shell, and the signal output end and the same elastic member are in contact with each other, so as to increase the reliability of the electrical connection between the emitter and the sensor, greatly reduce the possibility of data loss, reduce the number of internal structures of the device, and enhance the user experience.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (11)
1. A high reliability analyte detection device, comprising:
a bottom case;
the sensor is assembled on the bottom shell and comprises a signal output end and a detection end, the signal output end is provided with at least two first electric connection areas which are mutually insulated, and the signal output end is bent or bent towards the bottom surface of the bottom shell;
the emitter is mutually clamped with the bottom shell, the emitter is provided with at least two second electric connection areas which correspond to the first electric connection areas and are mutually insulated, and the first electric connection areas are electrically connected with the corresponding second electric connection areas; and
an elastic member, the signal output end is contacted with the elastic member.
2. The high reliability analyte detection device of claim 1, wherein the second electrical connection region is a metal contact.
3. The highly reliable analyte detection device of claim 1, wherein the signal output is disposed on top of the elastic member, and the first electrical connection region is in direct electrical connection with the corresponding second electrical connection region.
4. The device according to claim 3, wherein the elastic member comprises at least two conductive regions and at least one insulating region, the insulating region is disposed between two adjacent conductive regions, at least two first electrical connection regions are electrically connected to corresponding second electrical connection regions through different conductive regions, and different first electrical connection regions or different second electrical connection regions are electrically connected to different conductive regions.
5. The high reliability analyte detection device of claim 4, wherein the conductive region and the insulating region each pass through the elastic member in a longitudinal direction.
6. The high reliability analyte detection device of claim 4, wherein the signal output terminal is embedded within the elastic member or disposed at a bottom of the elastic member.
7. The highly reliable analyte detection device of claim 6, wherein different ones of the first electrical connection regions are disposed on different portions of the signal output, the different portions of the signal output being independent of each other and do not interfere with each other.
8. The highly reliable analyte detection device of claim 7, wherein the signal output terminals are embedded within the elastic member, and the heights of the embedding positions of the signal output terminals of different portions in the elastic member are not exactly the same.
9. The high reliability analyte detection device of claim 7, wherein the signal output terminal of each portion is embedded within the elastic member, or is disposed at the bottom of the elastic member, or is disposed at the top of the elastic member.
10. The high reliability analyte detection device of claim 1, wherein the number of the first electrical connection regions and the second electrical connection regions is three, respectively.
11. The high reliability analyte detection device of claim 1, wherein the bottom case includes a sensor base, the signal output terminal and the elastic member are disposed on the sensor base, and the signal output terminal is bent or bent toward a top surface of the sensor base.
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PCT/CN2020/100604 WO2021164185A1 (en) | 2019-08-19 | 2020-07-07 | Highly integrated analyte detection device |
CNPCT/CN2020/100604 | 2020-07-07 |
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CN113274002A (en) * | 2019-08-19 | 2021-08-20 | 上海移宇科技股份有限公司 | High integrated analyte detection device |
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EP4106627A4 (en) | 2024-05-01 |
CN113940670B (en) | 2024-02-23 |
EP4106627A1 (en) | 2022-12-28 |
WO2022012186A1 (en) | 2022-01-20 |
US20230066073A1 (en) | 2023-03-02 |
EP4183338A1 (en) | 2023-05-24 |
CN113274004B (en) | 2024-05-14 |
EP4106612A4 (en) | 2024-05-01 |
CN113940674B (en) | 2024-03-19 |
EP4106612A1 (en) | 2022-12-28 |
US20230068002A1 (en) | 2023-03-02 |
US20230210407A1 (en) | 2023-07-06 |
WO2021164192A1 (en) | 2021-08-26 |
CN113940670A (en) | 2022-01-18 |
CN113940674A (en) | 2022-01-18 |
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